Finding Fraud

The envelope didn't surprise Dru McMillan. But when she opened the letter and read the number, she felt sick.

"If you agree with the determination, please submit a draft in the amount of $21,042.73 within 30 days," it read.

McMillan is a Lincoln therapist. She has long served a majority of patients who use Medicaid, the government-funded cheap or free insurance, to pay for mental health care.

The letter came from an auditor working for one of three massive insurance companies the State of Nebraska is paying $4.25 billion, over six years, to oversee the state's Medicaid program. It accused McMi...